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Table 2 Summary of bednet density measures and estimates of the effect of bednet measures on child mortality, adjusted by sex, socio-economic status and distance to the nearest health facility

From: Spatial effects of mosquito bednets on child mortality

Bednet density Mean (St. dev.) % of households without bednets IRRa 95% CI LRTb P-valuec
R 0 0.25 (0.15) 0.00 0.53 (0.29,0.97) 4.37 0.037
R 50 0.18 (0.20) 0.09 0.64 (0.40,1.03) 3.48 0.062
R 100 0.24 (0.18) 12.68 1.13 (0.73,1.74) 0.27 0.607
R 150 0.25 (0.13) 13.84 1.18 (0.61,2.30) 0.24 0.623
R 200 0.26 (0.12) 14.44 1.69 (0.79,3.61) 1.79 0.181
R 300 0.26 (0.09) 15.04 2.51 (0.96,6.55) 3.46 0.063
R 400 0.27 (0.08) 15.04 2.10 (0.79,5.59) 2.05 0.153
R 500 0.27 (0.07) 15.18 2.40 (0.70,8.25) 1.89 0.169
R 600 0.27 (0.07) 15.23 2.89 (0.74,11.25) 2.32 0.128
  1. Results obtained by fitting negative binomial models.
  2. a: IRR:Incidence-rate ratios.
  3. b: LRT:Likelihood ratio test.
  4. c: P -value based on likelihood ratio test (LRT).